249795385 has 48 divisors (see below), whose sum is σ = 361513152. Its totient is φ = 165110400.

The previous prime is 249795383. The next prime is 249795407. The reversal of 249795385 is 583597942.

It is not a de Polignac number, because 249795385 - 2¹ = 249795383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249795383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1379995 + ... + 1380175.

It is an arithmetic number, because the mean of its divisors is an integer number (7531524).

Almost surely, 2^249795385 is an apocalyptic number.

It is an amenable number.

249795385 is a deficient number, since it is larger than the sum of its proper divisors (111717767).

249795385 is a wasteful number, since it uses less digits than its factorization.

249795385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 367 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 249795385 is about 15804.9164819052. The cubic root of 249795385 is about 629.7886122073.

The spelling of 249795385 in words is "two hundred forty-nine million, seven hundred ninety-five thousand, three hundred eighty-five".